2015
| Step 1 |
|
Step 2 |
|
Step 3 |
|
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
| Grade |
Line
number |
Mean
Scale
Score |
- |
Scale
Score:
met min |
= |
Distance
from
standard |
* |
(Students
tested
in grade |
/ |
Students)
tested
in
school |
= |
Weighted
Distance
From
Standard |
| 3 |
936843 |
2379 |
- |
2436 |
= |
-57 |
* |
(159 |
/ |
529)
|
= |
-17.1323251 |
| 4 |
936846 |
2406 |
- |
2485 |
= |
-79 |
* |
(163 |
/ |
529)
|
= |
-24.34215498 |
| 5 |
936847 |
2399 |
- |
2528 |
= |
-129 |
* |
(143 |
/ |
529)
|
= |
-34.87145557 |
| 6 |
936850 |
2435 |
- |
2552 |
= |
-117 |
* |
(64 |
/ |
529)
|
= |
-14.15500936 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Ninety-Third Street Elementary
|
-91 |
2016
| Step 1 |
|
Step 2 |
|
Step 3 |
|
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
| Grade |
Line
number |
Mean
Scale
Score |
- |
Scale
Score:
met min |
= |
Distance
from
standard |
* |
(Students
tested
in grade |
/ |
Students)
tested
in
school |
= |
Weighted
Distance
From
Standard |
| 3 |
29632 |
2375 |
- |
2436 |
= |
-61 |
* |
(163 |
/ |
574)
|
= |
-17.32229963 |
| 4 |
29635 |
2413 |
- |
2485 |
= |
-72 |
* |
(166 |
/ |
574)
|
= |
-20.82229963 |
| 5 |
29637 |
2427 |
- |
2528 |
= |
-101 |
* |
(149 |
/ |
574)
|
= |
-26.21776998 |
| 6 |
29639 |
2432 |
- |
2552 |
= |
-120 |
* |
(96 |
/ |
574)
|
= |
-20.06968632 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Ninety-Third Street Elementary
|
-84 |
2017
| Step 1 |
|
Step 2 |
|
Step 3 |
|
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
| Grade |
Line
number |
Mean
Scale
Score |
- |
Scale
Score:
met min |
= |
Distance
from
standard |
* |
(Students
tested
in grade |
/ |
Students)
tested
in
school |
= |
Weighted
Distance
From
Standard |
| 3 |
30197 |
2378 |
- |
2436 |
= |
-58 |
* |
(177 |
/ |
554)
|
= |
-18.53068587 |
| 4 |
30200 |
2420 |
- |
2485 |
= |
-65 |
* |
(152 |
/ |
554)
|
= |
-17.83393502 |
| 5 |
30202 |
2444 |
- |
2528 |
= |
-84 |
* |
(154 |
/ |
554)
|
= |
-23.35018048 |
| 6 |
30203 |
2426 |
- |
2552 |
= |
-126 |
* |
(71 |
/ |
554)
|
= |
-16.14801434 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Ninety-Third Street Elementary
|
-76 |
2018
| Step 1 |
|
Step 2 |
|
Step 3 |
|
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
| Grade |
Line
number |
Mean
Scale
Score |
- |
Scale
Score:
met min |
= |
Distance
from
standard |
* |
(Students
tested
in grade |
/ |
Students)
tested
in
school |
= |
Weighted
Distance
From
Standard |
| 3 |
30247 |
2363 |
- |
2436 |
= |
-73 |
* |
(128 |
/ |
526)
|
= |
-17.76425851 |
| 4 |
30249 |
2407 |
- |
2485 |
= |
-78 |
* |
(176 |
/ |
526)
|
= |
-26.09885928 |
| 5 |
30251 |
2449 |
- |
2528 |
= |
-79 |
* |
(143 |
/ |
526)
|
= |
-21.47718624 |
| 6 |
30253 |
2429 |
- |
2552 |
= |
-123 |
* |
(79 |
/ |
526)
|
= |
-18.47338402 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Ninety-Third Street Elementary
|
-84 |
2019
| Step 1 |
|
Step 2 |
|
Step 3 |
|
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
| Grade |
Line
number |
Mean
Scale
Score |
- |
Scale
Score:
met min |
= |
Distance
from
standard |
* |
(Students
tested
in grade |
/ |
Students)
tested
in
school |
= |
Weighted
Distance
From
Standard |
| 3 |
30421 |
2391 |
- |
2436 |
= |
-45 |
* |
(147 |
/ |
506)
|
= |
-13.07312249 |
| 4 |
30422 |
2417 |
- |
2485 |
= |
-68 |
* |
(129 |
/ |
506)
|
= |
-17.33596835 |
| 5 |
30423 |
2457 |
- |
2528 |
= |
-71 |
* |
(168 |
/ |
506)
|
= |
-23.57312251 |
| 6 |
30424 |
2468 |
- |
2552 |
= |
-84 |
* |
(62 |
/ |
506)
|
= |
-10.2924901 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Ninety-Third Street Elementary
|
-64 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-91
|
-84
|
-76
|
-84
|
-64
|
-399.0 |
-79.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -49.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -109.8
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
